145425340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 317399040

約数和(自身を除く): 171973700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1439, 1630, 2878, 3260, 5053, 5756, 7195, 10106, 14390, 20212, 25265, 28780, 44609, 50530, 89218, 101060, 178436, 223045, 234557, 446090, 469114, 892180, 938228, 1172785, 2345570, 4691140, 7271267, 14542534, 29085068, 36356335, 72712670, 145425340]

約数ペア:

[(1, 145425340), (2, 72712670), (4, 36356335), (5, 29085068), (10, 14542534), (20, 7271267), (31, 4691140), (62, 2345570), (124, 1172785), (155, 938228), (163, 892180), (310, 469114), (326, 446090), (620, 234557), (652, 223045), (815, 178436), (1439, 101060), (1630, 89218), (2878, 50530), (3260, 44609), (5053, 28780), (5756, 25265), (7195, 20212), (10106, 14390)]